The radar device is reporting an error

WARNING

If the radar device status LED is flashes continuously, an error has occurred. Errors are also reported on the Varia™ app or your Garmin watch or bike computer. While there is a radar error, the device cannot alert you to vehicles behind you.

• Make sure the device is within the approved operating temperature range (Specifications).
• Turn the device off, and turn it back on.

You can check the battery level on the Sensors menu of your Edge device or on the Varia app.

• Move away from potential sources of radar interference, such as other bike radars or radar antennas.